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Designation by Standards

Steel No. DIN EN AISI JIS ГОСТ
1.4462 - X2CrNiMoN22-5-3 - SUS329J3F /


Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.02 0.50 1.00 22.00 3.00 5.50 - - -


Description
Austenitic-ferritic steel (approx. 40-50% ferrite) with high stability against stress corrosion and stability in chlorine media. Very good welding characteristics. Very good pitting corrosion stability.

Applications
Chemical and oil processing industry. Highly resistant to stress corrosion in chlorine surroundings.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 200
Density [g/cm3]: 7.8
Thermal conductivity [W/m.K]: 16.0
Electric resistivity [Ohm mm2/m]: 0.80
Specific heat capacity[J/g.K]: 0.45

Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC 20-200oC 20-300oC
13.0 13.5 14.0


Hardening
Harden from a temperature of 1040-1100oC followed by water quenching.

Mechanical properties at at ambient temperature
Condition: Annealed
Hardness: 185 HB
0.2% proof stress: >=480 N/mm2
Tensile strength: 680-880 N/mm2
Elongation (A5): >=25%

0.2 % proof stress in N/mm2 vs. Temperature in oC

50oC 100oC 150oC 200oC 250oC 280oC
410 360 335 310 295 285


Forging
Hot forming temperature: 1200-900oC, slow cooling in air.

Machinability
No data.

Remark
All technical information is for reference only.